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Finding the Fourth Proportional to 454,422.06, 627,105.42 and 260,778.12

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Solution

The fourth proportional to 454,422.06, 627,105.42 and 260,778.12 is: 359,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,422.06 : 627,105.42 = 260,778.12 : x
  2. Step 2: Convert to fraction form
    454,422.06/627,105.42 = 260,778.12/x
  3. Step 3: Cross multiply
    454,422.06x = 627,105.42 × 260,778.12
  4. Step 4: Simplify right side
    454,422.06x = 163,535,372,469.41
  5. Step 5: Solve for x
    x = 163,535,372,469.41/454,422.06
  6. Step 6: Final answer
    x = 359,875.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.